Disable checkboxes in the advanced sync settings overlay whose type is force-enabled.

chrome/browser/ui/webui/sync_setup_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/sync_setup_handler.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 339 matching lines @@
   //       passwords)
   //   usePassphrase: true if the data is encrypted with a secondary passphrase
   //   show_passphrase: true if a passphrase is needed to decrypt the sync data
   base::DictionaryValue args;
 
   // Tell the UI layer which data types are registered/enabled by the user.
   const syncer::ModelTypeSet registered_types =
       service->GetRegisteredDataTypes();
   const syncer::ModelTypeSet preferred_types =
       service->GetPreferredDataTypes();
+  const syncer::ModelTypeSet enforced_types =
+      service->GetNonUserChoicePreferredDataTypes();
   ModelTypeNameMap type_names = GetSelectableTypeNameMap();
   for (ModelTypeNameMap::const_iterator it = type_names.begin();
        it != type_names.end(); ++it) {
     syncer::ModelType sync_type = it->first;
     const std::string key_name = it->second;
-    args.SetBoolean(key_name + "Registered",
-                    registered_types.Has(sync_type));
+    args.SetBoolean(key_name + "Registered", registered_types.Has(sync_type));
     args.SetBoolean(key_name + "Synced", preferred_types.Has(sync_type));
+    args.SetBoolean(key_name + "Enforced", enforced_types.Has(sync_type));
+    // TODO(treib): How do we want to handle pref groups, i.e. when only some of
+    // the sync types behind a checkbox are force-enabled? crbug.com/403326
   }
   sync_driver::SyncPrefs sync_prefs(GetProfile()->GetPrefs());
   args.SetBoolean("passphraseFailed", passphrase_failed);
   args.SetBoolean("showSyncEverythingPage", !show_advanced);
   args.SetBoolean("syncAllDataTypes", sync_prefs.HasKeepEverythingSynced());
   args.SetBoolean("syncNothing", false);  // Always false during initial setup.
   args.SetBoolean("encryptAllData", service->EncryptEverythingEnabled());
   args.SetBoolean("isSupervised", GetProfile()->IsSupervised());
 
   // We call IsPassphraseRequired() here, instead of calling
@@ skipping 578 matching lines @@
 
   LoginUIService* service = GetLoginUIService();
   DCHECK(service);
   service->current_login_ui()->FocusUI();
   return true;
 }
 
 LoginUIService* SyncSetupHandler::GetLoginUIService() const {
   return LoginUIServiceFactory::GetForProfile(GetProfile());
 }